Abstract
The acid catalysed hydration of α-pinene yields a complex mixture of monoterpenes, alcohols and hydrocarbons. By controlling the reaction variables is possible to make it selective to the terpenic alcohols, namely α-terpineol. In this paper the results of the hydration reaction of α-pinene catalysed by polydimethylsiloxane (PDMS) membranes filled with zeolite USY, zeolite beta or a surface modified activated carbon, are reported. The reaction is carried out at 50°C, using aqueous acetone as solvent. The activity and selectivity towards α-terpineol of the composite membranes are compared with those of the free catalysts.
| Original language | English |
|---|---|
| Pages (from-to) | 167-172 |
| Number of pages | 6 |
| Journal | Catalysis Today |
| Volume | 56 |
| Issue number | 1-3 |
| DOIs | |
| Publication status | Published - 25 Feb 2000 |
Keywords
- α-pinene hydration
- Activated carbon
- PDMS membranes
- Zeolite beta
- Zeolite USY
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Vital, J., Ramos, A. M., Silva, I. F., Valente, H., & Castanheiro, J. E. (2000). Hydration of α-pinene over zeolites and activated carbons dispersed in polymeric membranes. Catalysis Today, 56(1-3), 167-172. https://doi.org/10.1016/S0920-5861(99)00273-4